Why Is a FIFO Page-Replacement Strategy Impractical for Most Systems

Multiple Choice

Why is a FIFO page-replacement strategy impractical for most systems?

A) It replaces the page that has been in main memory the shortest amount of time.
B) It could lead to a decreased page-fault rate.
C) It could accidentally replace a heavily used page, such as one belonging to a text editor shared by several users.
D) The strategy's implementation incurs substantial overhead.